Well, first suggestion is to READ the docs and FAQ.
And, your post moved into FAQ section...

First, you have to change sensor probe types. Try to set all of them to thermistor and watch the difference.

Then, try to change 2nd type to DIODE.
Next, Hmonitor has no ways to determine actual sensors assignment, all captions are just default string labels. You need to tune the program and change captions to reflect actual sources, from Settings window.